User Guide

7of6 ©203WattsRadiant

Agoodqualitytestmetercapableofmeasuringupto5,000kΩ(kΩ=000Ω)is
requiredtomeasurethesensorresistance.Inadditiontothis,theactualtemperature
mustbemeasuredwitheitheragoodqualitydigitalthermometer,orifathermometer
isnotavailable,asecondsensorcanbeplacedalongsidetheonetobetestedand
thereadingscompared.
Firstmeasurethefloortemperatureusingthethermometer.DisconnecttheSand
Comwiresfromthethermostat.Usinganelectricalmeter,measuretheresistance
oftheSandComwiresatthethermostatlocation.Usingthetemperatureversus
resistancetable,estimatethetemperaturemeasuredbythesensor.Thesensor
measurementandthermometerreadingsshouldbeclose.Ifthetestmeterreads
averyhighresistance,theremaybeabrokenwire,apoorwiringconnectionora
defectivesensor.Iftheresistanceisverylow,thewiringmaybeshorted,theremay
bemoistureinthesensororthesensormaybedefective.Totestforadefective
sensor,measuretheresistancedirectlyatthesensorlocation.Oncethetesthas
beencompleted,reconnecttheSandComwirestothethermostat.

 
 
-50 -46 490,83
-45 -43 405,70
-40 -40 336,606
-35 -37 280,279
-30 -34 234,96
-25 -32 96,358
-20 -29 65,80
-5 -26 39,402
-0 -23 8,08
-5 -2 00,22
0 -8 85,362
5 -5 72,98
0 -2 62,465
5 -9 53,658
20 -7 46,28
25 -4 39,93
30 - 34,558
 
 
35 2 29,996
40 4 26,099
45 7 22,763
50 0 9,900
55 3 7,436
60 6 5,3
65 8 3,474
70 2 ,883
75 24 0,50
80 27 9,299
85 29 8,250
90 32 7,334
95 35 6,532
00 38 5,828
05 4 5,20
0 43 4,665
5 46 4,84
Donotapplyvoltagetoasensoratanytimeasdamagetothesensormayresult.